1. “Synergetics: An Introduction,”;Haken,1977
2. N. Wax, ed., “Selected Papers on Noise and Stochastic Processes,” Dover, New York, 1954.
3. “Dynamical Theories of Brownian Motion,”;Nelson,1967
4. “Analysis of Nonlinear Stochastic Systems by Means of the Fokker-Planck Equation,”;Fuller;Int. J. Cont.,1969
5. “Stochastic Processes and Filtering Theory,”;Jazwinski,1970